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the grand canyon, image - Coggle Diagram
the grand canyon
rocks and minerals
sandstone
cocomino sandstone
supai sandstone
limestone
toroweap limestone
redwall limestone
muav limestone
kaibab limestone
shale
hermit shale
the powell expadition
john wesly powell
they packed a lot of food
1864
he lost an arm
john wesley powell was the captain
powell expedition got all over news papers
life 5.5 million years ago
colordado river formed the canyon
mile deep gorge
landforms
delta
canyon
valley
plain
floodplain
meander
mountain
flood plain
dune
